Home / 267,831,969.87-400,967,511.71-199,049,332.71

Finding the Fourth Proportional to 267,831,969.87, 400,967,511.71 and 199,049,332.71

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Solution

The fourth proportional to 267,831,969.87, 400,967,511.71 and 199,049,332.71 is: 297,993,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,831,969.87 : 400,967,511.71 = 199,049,332.71 : x
  2. Step 2: Convert to fraction form
    267,831,969.87/400,967,511.71 = 199,049,332.71/x
  3. Step 3: Cross multiply
    267,831,969.87x = 400,967,511.71 × 199,049,332.71
  4. Step 4: Simplify right side
    267,831,969.87x = 79,812,315,643,269,360
  5. Step 5: Solve for x
    x = 79,812,315,643,269,360/267,831,969.87
  6. Step 6: Final answer
    x = 297,993,983.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.